added sources for Slick

Former-commit-id: 1647fa32ef6894bd7db44f741f07c2f4dcdf9054
Former-commit-id: 0e5810dcfbe1fd59b13e7cabe9f1e93c5542da2d

lib/slick-source/org/newdawn/slick/util/DefaultLogSystem.java

@@ -0,0 +1,82 @@
+package org.newdawn.slick.util;
+
+import java.io.PrintStream;
+import java.util.Date;
+
+/**
+ * The default implementation that just spits the messages out to stdout
+ * 
+ * @author kevin
+ */
+public class DefaultLogSystem implements LogSystem {
+	/** The output stream for dumping the log out on */
+	public static PrintStream out = System.out;
+
+	/**
+	 * Log an error
+	 * 
+	 * @param message The message describing the error
+	 * @param e The exception causing the error
+	 */
+	public void error(String message, Throwable e) {
+		error(message);
+		error(e);
+	}
+
+	/**
+	 * Log an error
+	 * 
+	 * @param e The exception causing the error
+	 */
+	public void error(Throwable e) {
+		out.println(new Date()+" ERROR:" +e.getMessage());
+		e.printStackTrace(out);
+	}
+
+	/**
+	 * Log an error
+	 * 
+	 * @param message The message describing the error
+	 */
+	public void error(String message) {
+		out.println(new Date()+" ERROR:" +message);
+	}
+
+	/**
+	 * Log a warning
+	 * 
+	 * @param message The message describing the warning
+	 */
+	public void warn(String message) {
+		out.println(new Date()+" WARN:" +message);
+	}
+
+	/**
+	 * Log an information message
+	 * 
+	 * @param message The message describing the infomation
+	 */
+	public  void info(String message) {
+		out.println(new Date()+" INFO:" +message);
+	}
+
+	/**
+	 * Log a debug message
+	 * 
+	 * @param message The message describing the debug
+	 */
+	public void debug(String message) {
+		out.println(new Date()+" DEBUG:" +message);
+	}
+
+	/**
+	 * Log a warning with an exception that caused it
+	 * 
+	 * @param message The message describing the warning
+	 * @param e The cause of the warning
+	 */
+	public void warn(String message, Throwable e) {
+		warn(message);
+		e.printStackTrace(out);
+	}
+}